CVE-2025-65013: librenms XSS — Fix

Description

LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Prior to version 25.11.0, a reflected cross-site scripting (XSS) vulnerability was identified in the LibreNMS application at the /maps/nodeimage endpoint. The Image Name parameter is reflected in the HTTP response without proper output encoding or sanitization, allowing an attacker to craft a URL that, when visited by a victim, causes arbitrary JavaScript execution in the victim’s browser. This issue has been patched in version 25.11.0.

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CVSS v3.1 Score

6.2

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
librenms	librenms	< 25.11.0

References

Advisories & Patches

https://github.com/librenms/librenms/security/advisories/GHSA-j8cq-7f6p-256x https://github.com/librenms/librenms/security/advisories/GHSA-j8cq-7f6p-256x

Frequently Asked Questions

What is CVE-2025-65013? +

LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Prior to version 25.11.0, a reflected cross-site scripting (XSS) vulnerability was identified in the LibreNMS application at the /maps/nodeimage endpoint. The Image Name parameter is reflected in the HTTP response without proper output encoding or sanitization, allowing an attacker to craft a URL that, when visited by a victim, causes arbitrary JavaScript execution in the victim’s browser. This issue has been patched in version 25.11.0. It has a CVSS v3.1 base score of 6.2 (MEDIUM).

How severe is CVE-2025-65013? +

CVE-2025-65013 has a CVSS v3.1 score of 6.2 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-65013? +

CVE-2025-65013 affects products from librenms, specifically: librenms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-65013? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-65013